diff options
Diffstat (limited to 'mysql-test/r/ps.result')
| -rw-r--r-- | mysql-test/r/ps.result | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/mysql-test/r/ps.result b/mysql-test/r/ps.result index eb5c8ca9377..c8fa17a4e9e 100644 --- a/mysql-test/r/ps.result +++ b/mysql-test/r/ps.result @@ -4107,4 +4107,76 @@ NULL NULL deallocate prepare stmt; drop table t1,t2,t3,t4; +# +# MDEV-11859: the plans for the first and the second executions +# of PS are not the same +# +create table t1 (id int, c varchar(3), key idx(c))engine=myisam; +insert into t1 values (3,'bar'), (1,'xxx'), (2,'foo'), (5,'yyy'); +prepare stmt1 from +"explain extended + select * from t1 where (1, 2) in ( select 3, 4 ) or c = 'foo'"; +execute stmt1; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 ref idx idx 6 const 1 100.00 Using index condition +2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used +Warnings: +Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`c` AS `c` from `test`.`t1` where (`test`.`t1`.`c` = 'foo') +execute stmt1; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 ref idx idx 6 const 1 100.00 Using index condition +2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used +Warnings: +Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`c` AS `c` from `test`.`t1` where (`test`.`t1`.`c` = 'foo') +deallocate prepare stmt1; +prepare stmt1 from +"select * from t1 where (1, 2) in ( select 3, 4 ) or c = 'foo'"; +flush status; +execute stmt1; +id c +2 foo +show status like '%Handler_read%'; +Variable_name Value +Handler_read_first 0 +Handler_read_key 1 +Handler_read_last 0 +Handler_read_next 1 +Handler_read_prev 0 +Handler_read_retry 0 +Handler_read_rnd 0 +Handler_read_rnd_deleted 0 +Handler_read_rnd_next 0 +flush status; +execute stmt1; +id c +2 foo +show status like '%Handler_read%'; +Variable_name Value +Handler_read_first 0 +Handler_read_key 1 +Handler_read_last 0 +Handler_read_next 1 +Handler_read_prev 0 +Handler_read_retry 0 +Handler_read_rnd 0 +Handler_read_rnd_deleted 0 +Handler_read_rnd_next 0 +deallocate prepare stmt1; +prepare stmt2 from +"explain extended + select * from t1 where (1, 2) in ( select 3, 4 )"; +execute stmt2; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE +2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used +Warnings: +Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`c` AS `c` from `test`.`t1` where 0 +execute stmt2; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE +2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used +Warnings: +Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`c` AS `c` from `test`.`t1` where 0 +deallocate prepare stmt2; +drop table t1; # End of 5.5 tests |